Hello John, I had the same issue and I solved the problem using the "nomodeset" option at the grub.
This should help: https://askubuntu.com/questions/38780/how-do-i-set-nomodeset-after-ive-already-installed-ubuntu El lun., 26 oct. 2020 a las 22:30, John Figie (<zephyr9...@gmail.com>) escribió: > I forgot to add a subject > John Figie > > > On Mon, Oct 26, 2020 at 8:18 PM John Figie <zephyr9...@gmail.com> wrote: > > > Dear LinuxCNC users > > > > I started a project about 6 years ago that was delayed because of several > > personal issues. I am now ready to begin putting together a computer > that I > > want to use to control a lathe. I want to install Debian 10 (buster) on > my > > PC. > > > > I have 2 identical older MBs Asus M5A 78L-M LX. Each has an AMC Sempron > 145 > > processor. I have been running one of these for the last 5 years with > > Debian 8 and it seems to work fine. I selected these MBs because they > > seemed to have reasonable performance with latency test. I recently > > assembled the second MB and decided to install Debian 10 using a USB > drive. > > The installation completes, installs GRUB and then prompts to reboot. > > > > The GRUB graphical menu screen looks fine. > > > > When the new system boots the last message on the screen is: > > [ OK ] Started GNOME Display Manager. > > Nothing further happens on the screen. > > > > If i boot with Linux 4.19.0-12 amd64 (recovery mode) then I am able to > boot > > successfully > > At the prompt I can enter the command # journalctl -xb > > Looking at the output there is one error displayed: > > > > drm: radeon_pci_probe ERROR radeon kernel modesetting for R600 or later > > requires firmware installed. > > > > 1) Is this error significant? > > 2) Do I really need this firmware? I am not using any graphics card -just > > the built in graphics. Gallium 0.4 on AMD RS780 I really don't want to > > mess around with trying to flash new firmware on the MB. - but if that is > > what it takes I might try to figure out how to do that. > > > > If i swap hard drives with my working Debian 8 system then the new > computer > > boots normally to the debian 8 GNOME desktop. > > > > If anyone can give me some hints or ideas to try I will appreciate your > > help and kindness. > > > > John Figie > > > > _______________________________________________ > > Emc-users mailing list > > Emc-users@lists.sourceforge.net > > https://lists.sourceforge.net/lists/listinfo/emc-users > > > > _______________________________________________ > Emc-users mailing list > Emc-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/emc-users > _______________________________________________ Emc-users mailing list Emc-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/emc-users